package com.lagou.service;

import io.netty.buffer.ByteBuf;
import io.netty.channel.ChannelHandlerContext;
import io.netty.handler.codec.ByteToMessageDecoder;

import java.util.List;

public class RpcDecoder extends ByteToMessageDecoder {

    private Class<?> clazz;

    private Serializer serializer;

    public RpcDecoder(Class<?> clazz, Serializer serializer) {
        this.clazz = clazz;
        this.serializer = serializer;
    }

    protected void decode(ChannelHandlerContext channelHandlerContext, ByteBuf byteBuf, List<Object> list) throws Exception {
        int length = byteBuf.readInt();
        byte[] byteArray = new byte[length];
        byteBuf.readBytes(byteArray);
        String s = new String(byteArray);
        Object deserialize = serializer.deserialize(clazz, byteArray);
        list.add(deserialize);
    }
}
